B5m astro setups?

[tonydevon]

anyone got links to any?

just be good to set the car up with a known quantity and have something to work from

thanks

[andrewc]

Loads here; scroll down past tips etc to AstroTurf section. Check columns for surface (carpet/Astro) and weather to find one most suitable for you.

http://site.petitrc.com/setup/associ...tedRC10B5.html

[markwilliamson2001]

Here's mine from Sunday at Kidderminster (undulating, tight high grip/multi surface). Quality 6th, finish 3rd in A final.

Front:
Blue Spring
Losi 37.5wt
2x1.6 pistons (2 limiters)
Middle on narrow tower
Outer on flat arms
Brass AE Bulkhead 25 deg
5 deg caster blocks
4mm trailing axle
-1 deg camber
Camber link inner on tower, inner on hub.
1.5mm under front inner ballstud.

Rear:
Green Spring
Losi 30wt
2x1.6 pistons (3 limiters)
Inner on tower
Inner on arm
3.0 deg toe in inboard
1 deg anti squat
-1 deg camber
Camber link inner on tower, middle on hub in up position
2mm lower alloy ballstud mount, 2mm washer
3 gear gearbox with 3 pad AE Slipper
Gear diff (5k oil)
Alloy C and D blocks, arms in wide position (arrows pointing out)
Rudebits 48g B44 centre weight block under big foam battery spacer (recommend 45g under lipo weight)
2 narrow battery foams front, large at rear.

Front tyres: Schumacher LP Cut stagger ribs in Yellow (narrow wheel, no insert).
Rear tyres: Schumacher Yellow mini spike 2, Sch. blue foam insert.
JC Silencer body and B44 6.5" rear wing, cut rear gurney.
Speed Passion 7.5 motor (more than enough for Kiddy).

That's all :-)

[tonydevon]

Brilliant thanks.
1 silly question.

Camber.
Set at ride height or chassis on the deck.
I used to set my 1/5th cars up fully depressed. Cant remember why but was told to do it tgat way by far more experienced racer.

But how should i do it with 10th buggy. I assume at ride height.

Thanks.

[andrewc]

I've always done it at ride height

[markwilliamson2001]

Yup ride height dude. Don't know why you would ever do it compressed as this would incorporate any camber change...!

[tonydevon]

Lol. No idea but years back thats how i was shown and it meant i could replicate his setup by doing it same way.

Bonus is i have the brass front hinge weight thing with this car.

Will hopefully be running it this weekend.
Car looks so good.

[tonydevon]

Thanks mark williamson. I copied your setup.

Ran my first proper race meeting at tiverton and car was a joy to drive. I have to be honest and say i have no clue what to change or when. But i got faster every run and end if the day i asked couple of other drivers to try it and let me know if i had got anything proper wrong.

They both loved it lol.

[markwilliamson2001]

Thanks for the feedback Tony. If it's smoother and more Astro, then a stiffer Spring all round (red front, white rear) and rear shocks on middle hole on tower is really good.

I've yet to try uncut staggers on the front yet (seems popular at Kiddy). I suspect it will be a bit less direct on initial steering.


Cheers
Mark

[tonydevon]

At mendip this weekend. Soon im doing an indoor meeting. Loads of grip.

Car was good at tiverton. Joy to just pin it down the straight and watch it float over any bumps. Was very fast round sweeper and held lovely tight line.

I need to work on brakes and try some drag brake.

Was good to have confidence in the car.

Only my 2nd buggy race meeting but im getting hang of it quite fast.

Need to be more aggressive with throttle i think lol. I drive quite gentle and concentrate more on not making mistakes. Seems to pay off as i havent been last yet and managed to beat a few people with years of experience.

[tonydevon]

me again

cars working a treat, havent touched your setup since I installed it, trouble qualifying as Im new and finding it hard to learn track fast enough, but I have done well and held my own, last 2 club rounds at different tracks, I won my finals, only C finals, but felt good, and when looking at times I would have been competing with cars in both finals above me, just bad at qualifying I think LOL

only saving thing is my experience with RC bikes and largescale, so have the ability to watch my place on track and ease up or speed up a bit to do just enough

now Im heading indoors for the winter

what would you advise changing for carpet, high grip, some speed jumps

sounds like they run yellow minipins

[markwilliamson2001]

Hi Tony.
The B6 (laydown) transmission seems more popular on the super high grip indoor tracks. However, I would probably do the following:

Go to a stiffer Spring all round (red front, white rear).
Go up 2.5-5wt thicker shock oil all round
Take some weight out the car to give a little more reaction (try with and without).
Reduce downtravel/droop a bit (maybe run another limiter under the piston).
Run the gear diff if you are not already.
Go to the lightweight/v2 slipper setup.
Run minipin rear tyres (I would avoid the new minipin 2 and minipin 1 tyres, get the original minipins if you can.

Or try the proline pinpoint/wedge and the new JConcepts tyres that have been released.

The limiting factor is the fact you will be competing against the laydown cars which carry much more corner speed in smooth and high grip conditions.

[markwilliamson2001]

You might want to try gull wing front arms indoors, and maybe try the hard arms, shock towers, and front top plate.
The hulking front arms should give you a bit more slow speed and power on steering. Never tried them myself however.

[tonydevon]

ok many thanks, I have a gullwing front end already built up so thats easy fast swap out,

running gear diff all the time to be honest, seems less maintenance LOL

currently have a Schelle slipper in there, that seems very consistent and reliable, only just tried it to be honest, been driving it with clutch tight, even on the wet slippy grass and astro at weekend, no slipper, just gentle thumb LOL

cars currently stripped for total clean lube and rebuild as the poor thing was filthy after the weekend

thanks for taking time to reply and give me help, I will work on your advise

your other setup worked so well for me, I am confident

just down to me then, never driven on high grip carpet track, and few jumps etc, so yeat again I expect I will improve every run, getting faster average and best lap etc, but end up low down final, then do well in final, just seems like the pattern.

[markwilliamson2001]

Lowering the ride height considerably would probably help, down to around 18mm from the more normal 22-24mm.

You might want to change to the offset front hub washers to raise the hub up, and keep the role centres the same.